Develop D 16G, Service Manual

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D-31
(5) Printer’s Main Scanning Registration Adjustment
<Requirement>
Perform this adjustment in the following cases.
•
After the PH Unit has been replaced
<Adjustment Procedure>
1. Print the test pattern.
2. Check the amount that widths A and B in the test pattern are shifted.
If the shift is out of specification, adjust it according to the following procedure.
3. Enter the “ADJUST” menu in the Service mode.
4. Change the setting.
If the width of A is less than the width of B . . . . . Increase the setting.
If the width of B is less than the width of A . . . . . Decrease the setting.
✽
If the shift cannot be adjusted to within the specification with a single adjustment, perform
the adjustment again to change the setting.
5. Press the Yes key to apply the setting.
NOTE
If the Stop key is pressed, instead of the Yes key, the main screen is displayed and the set-
ting returns to that before it was changed.
6. Print a test pattern again and check it.
Specification Mode Function Item Setting Range
0±2.0 mm “ADJUST” menu PRN MAIN REGIST
60 to 140
1 increment = 0.1 mm
• Adjust the amount that widths A and B in the
printed test pattern are shifted so that the following
specification is met.
1382D011AA
A
B